reduce

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function reduce<Type, Lambda>(iter:Iterator<Type>, init:Type, op:Lambda) -> Type

Reduction.

• iter Iterator.
• init Initial value.
• op Operator.

function reduce<Type, Output, Lambda>(x:Type[_], init:Output, op:Lambda) -> Output

Reduction.

• x Vector.
• init Initial value.
• op Operator.

function reduce<Type, Output, Lambda>(X:Type[_,_], init:Output, op:Lambda) -> Output

Reduction.

• X Matrix.
• init Initial value.
• op Operator.